Gather perfume alcohol, fragrance oils or essential oils, distilled water, and a clean glass bottle
Sanitize all tools and containers
Measure the perfume alcohol into a mixing container
Add the fragrance oils or essential oils to the alcohol
Stir or shake gently to combine
Add a small amount of distilled water if desired
Transfer the mixture into a glass bottle
Seal the bottle tightly
Let the perfume age in a cool, dark place for several days to several weeks
Shake gently before use
Filter the perfume if needed before bottling